/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:DELL
 * Date:2025-04-07
 * Time:22:01
 */
public class Test2 {
    public void swap(int[] nums,int i,int j){
        int tmp=nums[i];
        nums[i]=nums[j];
        nums[j]=tmp;
    }
    public void sortColors(int[] nums) {
        int left=-1,right=nums.length,i=0;
        while(i<right){
            if(nums[i]==0){
                swap(nums,++left,i++);
            }else if(nums[i]==1){
                i++;
            }else{
                swap(nums,--right,i);
            }
        }
    }
}
